Texas Instruments
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OPT101P
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OPT101P

Product Overview

Category: Integrated Circuit
Use: Light sensor
Characteristics: High sensitivity, low dark current
Package: 8-pin PDIP, 8-pin SOIC
Essence: Photodiode and transimpedance amplifier
Packaging/Quantity: Tube/50 units, Tape & Reel/2500 units

Specifications

  • Supply Voltage: 4.5V to 36V
  • Output Current: 1mA
  • Wavelength Range: 320nm to 1000nm
  • Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

  1. V- (Pin 1)
  2. V+ (Pin 2)
  3. Output (Pin 3)
  4. NC (Pin 4)
  5. NC (Pin 5)
  6. NC (Pin 6)
  7. NC (Pin 7)
  8. Vcc (Pin 8)

Functional Features

  • High sensitivity to light
  • Low dark current
  • Wide supply voltage range
  • Small form factor

Advantages and Disadvantages

Advantages: - High sensitivity allows for accurate light detection - Low dark current minimizes noise in low-light conditions - Wide supply voltage range enhances versatility

Disadvantages: - Limited wavelength range compared to some specialized sensors - Requires external circuitry for specific applications

Working Principles

The OPT101P integrates a photodiode and a transimpedance amplifier to convert light into an electrical signal. When exposed to light, the photodiode generates a current proportional to the light intensity, which is then converted to a voltage output by the transimpedance amplifier.

Detailed Application Field Plans

  1. Industrial Automation: Light level monitoring in manufacturing environments
  2. Consumer Electronics: Ambient light sensing for display brightness control
  3. Medical Devices: Optical pulse oximetry for non-invasive blood oxygen level monitoring
  4. Automotive: Headlight dimming based on ambient light conditions

Detailed and Complete Alternative Models

  1. OPT301: Higher sensitivity and wider wavelength range
  2. TSL235R: Lower power consumption and smaller package size
  3. BH1750FVI: Digital output and I2C interface for easy integration

This comprehensive entry provides a detailed overview of the OPT101P, covering its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ OPT101P ในโซลูชันทางเทคนิค

  1. What is the OPT101P?

    • The OPT101P is a precision integrated circuit current-output photodiode amplifier with an internal feedback resistor.

  2. What is the typical application of the OPT101P?

    • The OPT101P is commonly used in light measurement and control applications, such as ambient light sensing, colorimetry, and medical instrumentation.

  3. What is the operating voltage range of the OPT101P?

    • The OPT101P typically operates within a voltage range of 4.5V to 36V.

  4. How does the OPT101P handle temperature variations?

    • The OPT101P has a low temperature coefficient of 0.03% per °C, making it suitable for applications where temperature stability is important.

  5. What is the output current range of the OPT101P?

    • The OPT101P can provide an output current range of 50nA to 500μA, making it suitable for a wide range of light intensity measurements.

  6. Can the OPT101P be used in low-light conditions?

    • Yes, the OPT101P has a low dark current of 100pA, allowing it to operate effectively in low-light conditions.

  7. What is the bandwidth of the OPT101P?

    • The OPT101P has a bandwidth of 14kHz, enabling it to capture rapid changes in light intensity.

  8. Does the OPT101P require external compensation components?

    • No, the OPT101P has internal compensation components, simplifying its integration into technical solutions.

  9. What is the package type of the OPT101P?

    • The OPT101P is available in an 8-pin PDIP or SOIC package, providing flexibility for different design requirements.

  10. Is the OPT101P suitable for battery-powered applications?

    • Yes, the OPT101P has a low power consumption of 1.1mA, making it suitable for battery-powered applications requiring light sensing capabilities.